QNTU Token

0x4234f63b1d202f6c016ca3b6a0d41d7d85f17716 Copy

ERC20

This contract is an ERC20 token.

Name QNTU Token

Symbol QNTU

Decimals 18

Total Supply 120,000,000,000 QNTU

About

Stats

Public Functions 17

Event Types 11

Code Size 17,110 bytes

Events (11)

Approval Event

Parameters

owner	address
spender	address
value	uint

ChangeTokenInformation Event

Parameters

name	string
symbol	string

ChangeUpgradeAgent Event

Parameters

newAgent

address

ChangeUpgradeMaster Event

Parameters

newMaster

address

FreezeTransfer Event

Parameters

FreezeUpgrade Event

Parameters

OwnershipTransferred Event

Parameters

previousOwner	address
newOwner	address

Transfer Event

Parameters

from	address
to	address
value	uint

UnfreezeTransfer Event

Parameters

UnfreezeUpgrade Event

Parameters

Upgrade Event

Parameters

from	address
to	address
value	uint

State Variables (12)

upgradeMaster Variable

address

upgradeAgent Variable

address

isUpgradable Variable

bool

totalUpgraded Variable

uint

name Variable

string

symbol Variable

string

decimals Variable

uint8

totalSupply Variable

uint

owner Variable

address

isTradable Variable

bool

balanceOf Variable

mapping(address => uint)

allowed Variable

mapping(address => mapping(address => uint))

Internal Variable

Functions Expand All Collapse All

transferOwnership

Parameters

Name	Type
_newOwner	address

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Requirements

_newOwner must not be equal to 0

Source Code

function transferOwnership(address _newOwner) public onlyOwner {
  require(_newOwner != 0);

  OwnershipTransferred(owner, _newOwner);
  owner = _newOwner;
}

changeTokenInformation

Parameters

Name	Type
_name	string
_symbol	string

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Source Code

function changeTokenInformation(string _name, string _symbol) public onlyOwner {
  name = _name;
  symbol = _symbol;
  ChangeTokenInformation(_name, _symbol);
}

transfer

Parameters

Name	Type
_to	address
_value	uint

Properties

Visibility public

Mutability transaction

Modifiers

canTransfer checks for the following:

isTradable must be true

Requirements

_to must not be equal to 0

_value must be greater than 0

Source Code

function transfer(address _to, uint256 _value)
  public
  canTransfer
  returns (bool)
{
  return super.transfer(_to, _value);
}

transferFrom

Parameters

Name	Type
_from	address
_to	address
_value	uint

Properties

Visibility public

Mutability transaction

Modifiers

canTransfer checks for the following:

isTradable must be true

Requirements

_to must not be equal to 0

_value must be greater than 0

Source Code

function transferFrom(
  address _from,
  address _to,
  uint256 _value
) public canTransfer returns (bool) {
  return super.transferFrom(_from, _to, _value);
}

approve

Parameters

Name	Type
_spender	address
_value	uint

Properties

Visibility public

Mutability transaction

Modifiers

canTransfer checks for the following:

isTradable must be true

Source Code

function approve(address _spender, uint256 _value)
  public
  canTransfer
  returns (bool)
{
  return super.approve(_spender, _value);
}

increaseApproval

Parameters

Name	Type
_spender	address
_addedValue	uint

Properties

Visibility public

Mutability transaction

Modifiers

canTransfer checks for the following:

isTradable must be true

Requirements

_addedValue must be greater than 0

Source Code

function increaseApproval(address _spender, uint256 _addedValue)
  public
  canTransfer
  returns (bool)
{
  return super.increaseApproval(_spender, _addedValue);
}

decreaseApproval

Parameters

Name	Type
_spender	address
_subtractedValue	uint

Properties

Visibility public

Mutability transaction

Modifiers

canTransfer checks for the following:

isTradable must be true

Requirements

_subtractedValue must be greater than 0

Source Code

function decreaseApproval(address _spender, uint256 _subtractedValue)
  public
  canTransfer
  returns (bool)
{
  return super.decreaseApproval(_spender, _subtractedValue);
}

allowance

Parameters

Name	Type
_owner	address
_spender	address

Properties

Visibility public

Mutability view

Source Code

function allowance(address _owner, address _spender)
  public
  view
  returns (uint256)
{
  return allowed[_owner][_spender];
}

freezeTransfer

Parameters

This function has no parameters.

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Source Code

function freezeTransfer() public onlyOwner {
  isTradable = false;
  FreezeTransfer();
}

unfreezeTransfer

Parameters

This function has no parameters.

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Source Code

function unfreezeTransfer() public onlyOwner {
  isTradable = true;
  UnfreezeTransfer();
}

changeUpgradeMaster

Parameters

Name	Type
_newMaster	address

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Requirements

_newMaster must not be equal to 0

Source Code

function changeUpgradeMaster(address _newMaster) public onlyOwner {
  require(_newMaster != 0);

  upgradeMaster = _newMaster;
  ChangeUpgradeMaster(_newMaster);
}

changeUpgradeAgent

Parameters

Name	Type
_newAgent	address

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Requirements

totalUpgraded must be equal to 0

Source Code

function changeUpgradeAgent(address _newAgent) public onlyOwner {
  require(totalUpgraded == 0);

  upgradeAgent = UpgradeAgent(_newAgent);

  require(upgradeAgent.isUpgradeAgent());

  ChangeUpgradeAgent(_newAgent);
}

freezeUpgrade

Parameters

This function has no parameters.

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Source Code

function freezeUpgrade() public onlyOwner {
  isUpgradable = false;
  FreezeUpgrade();
}

unfreezeUpgrade

Parameters

This function has no parameters.

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Source Code

function unfreezeUpgrade() public onlyOwner {
  isUpgradable = true;
  UnfreezeUpgrade();
}

upgrade

Parameters

This function has no parameters.

Properties

Visibility public

Mutability transaction

Modifiers

canUpgrade checks for the following:

isUpgradable must be true

Requirements

amount must be greater than 0

Source Code

function upgrade() public canUpgrade {
  uint256 amount = balanceOf[msg.sender];

  require(amount > 0);

  processUpgrade(msg.sender, amount);
}

forceUpgrade

Parameters

Name	Type
_holders	address[]

Properties

Visibility public

Mutability transaction

Modifiers

onlyUpgradeMaster checks for the following:

upgradeMaster must be equal to the sender's address

canUpgrade checks for the following:

isUpgradable must be true

Source Code

function forceUpgrade(address[] _holders) public onlyUpgradeMaster canUpgrade {
  uint256 amount;

  for (uint256 i = 0; i < _holders.length; i++) {
    amount = balanceOf[_holders[i]];

    if (amount == 0) {
      continue;
    }

    processUpgrade(_holders[i], amount);
  }
}

transferToContract

Parameters

Name	Type
_to	address
_value	uint

Properties

Visibility public

Mutability transaction

Modifiers

canTransfer checks for the following:

isTradable must be true

Requirements

_value must be greater than 0

Source Code

function transferToContract(address _to, uint256 _value)
  public
  canTransfer
  returns (bool)
{
  require(_value > 0);

  balanceOf[msg.sender] = balanceOf[msg.sender].sub(_value);
  balanceOf[_to] = balanceOf[_to].add(_value);

  ReceivingContract receiver = ReceivingContract(_to);
  receiver.tokenFallback(msg.sender, _value);

  Transfer(msg.sender, _to, _value);
  return true;
}

Internal Functions Expand All Collapse All

Internal functions are parts of the contract that can't be used directly, but instead are used by the public functions listed above.

internal UpgradableToken.processUpgrade

Parameters

Name	Type
_holder	address
_amount	uint

Properties

Visibility private

Mutability transaction

Source Code

function processUpgrade(address _holder, uint256 _amount) private {
  balanceOf[_holder] = balanceOf[_holder].sub(_amount);

  // Take tokens out from circulation
  totalSupply = totalSupply.sub(_amount);
  totalUpgraded = totalUpgraded.add(_amount);

  // Upgrade agent reissues the tokens
  upgradeAgent.upgradeFrom(_holder, _amount);
  Upgrade(_holder, upgradeAgent, _amount);
}

QNTU Token

ERC20

About

Stats

Events (11) keyboard_arrow_up

Approval Event

Parameters help Event parameters list the data that an event contains.

ChangeTokenInformation Event

Parameters help Event parameters list the data that an event contains.

ChangeUpgradeAgent Event

Parameters help Event parameters list the data that an event contains.

ChangeUpgradeMaster Event

Parameters help Event parameters list the data that an event contains.

FreezeTransfer Event

Parameters help Event parameters list the data that an event contains.

FreezeUpgrade Event

Parameters help Event parameters list the data that an event contains.

OwnershipTransferred Event

Parameters help Event parameters list the data that an event contains.

Transfer Event

Parameters help Event parameters list the data that an event contains.

UnfreezeTransfer Event

Parameters help Event parameters list the data that an event contains.

UnfreezeUpgrade Event

Parameters help Event parameters list the data that an event contains.

Upgrade Event

Parameters help Event parameters list the data that an event contains.

State Variables (12) keyboard_arrow_up

upgradeMaster Variable

upgradeAgent Variable

isUpgradable Variable

totalUpgraded Variable

name Variable

symbol Variable

decimals Variable

totalSupply Variable

owner Variable

isTradable Variable

balanceOf Variable

allowed Variable

Functions Expand All Collapse All

transferOwnership keyboard_arrow_up

Parameters help Function parameters list what input the function expects from the user. Each parameter must be given a value.

Properties

Modifiers help Modifiers are additions to a function that typically make various checks before the function is run.

onlyOwner checks for the following:

Requirements help Requirements are checks that the function makes when it runs, and give you insight on what conditions are required for the function to succeed.

Source Code

changeTokenInformation keyboard_arrow_up

Parameters help Function parameters list what input the function expects from the user. Each parameter must be given a value.

Properties

Modifiers help Modifiers are additions to a function that typically make various checks before the function is run.

onlyOwner checks for the following:

Source Code

transfer keyboard_arrow_up

Parameters help Function parameters list what input the function expects from the user. Each parameter must be given a value.

Properties

Modifiers help Modifiers are additions to a function that typically make various checks before the function is run.

canTransfer checks for the following:

Requirements help Requirements are checks that the function makes when it runs, and give you insight on what conditions are required for the function to succeed.

Source Code

transferFrom keyboard_arrow_up

Parameters help Function parameters list what input the function expects from the user. Each parameter must be given a value.

Properties

Modifiers help Modifiers are additions to a function that typically make various checks before the function is run.

canTransfer checks for the following:

Requirements help Requirements are checks that the function makes when it runs, and give you insight on what conditions are required for the function to succeed.

Source Code

approve keyboard_arrow_up

Parameters help Function parameters list what input the function expects from the user. Each parameter must be given a value.

Properties

Modifiers help Modifiers are additions to a function that typically make various checks before the function is run.

canTransfer checks for the following:

Source Code

increaseApproval keyboard_arrow_up

Parameters help Function parameters list what input the function expects from the user. Each parameter must be given a value.

Properties

Modifiers help Modifiers are additions to a function that typically make various checks before the function is run.

canTransfer checks for the following:

Requirements help Requirements are checks that the function makes when it runs, and give you insight on what conditions are required for the function to succeed.

Events (11)

Parameters

Parameters

Parameters

Parameters

Parameters

Parameters

Parameters

Parameters

Parameters

Parameters

Parameters

State Variables (12)

transferOwnership

Parameters

Modifiers

Requirements

changeTokenInformation

Parameters

Modifiers

transfer

Parameters

Modifiers

Requirements

transferFrom

Parameters

Modifiers

Requirements

approve

Parameters

Modifiers

increaseApproval

Parameters

Modifiers

Requirements

decreaseApproval

Parameters

Modifiers

Requirements

allowance

Parameters

freezeTransfer

Parameters

Modifiers

unfreezeTransfer

Parameters

Modifiers

changeUpgradeMaster

Parameters

Modifiers

Requirements

changeUpgradeAgent

Parameters

Modifiers

Requirements

freezeUpgrade

Parameters

Modifiers

unfreezeUpgrade

Parameters

Modifiers

upgrade

Parameters

Modifiers

Requirements

forceUpgrade

Parameters

Modifiers

transferToContract

Parameters

Modifiers